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    1. Does anyone have resources for an introduction to semidefinite programming?

      I'm interested in the subject, but don't know where to begin investigating it. I tried to look over the code for SeDuMi, but it is much more massive than I had realized. I have a background in...

      I'm interested in the subject, but don't know where to begin investigating it. I tried to look over the code for SeDuMi, but it is much more massive than I had realized. I have a background in mathematics, if anyone can point me towards a textbook.

      5 votes
    2. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      6 votes
    3. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      8 votes
    4. How do you design a Proof of Concept project for a new dev/test tool?

      Input wanted for an article. Let's say that your company is considering the purchase of an expensive new application to help in the company's software development. The demo looks great, and the...

      Input wanted for an article.

      Let's say that your company is considering the purchase of an expensive new application to help in the company's software development. The demo looks great, and the feature list makes it sound perfect for your needs. So your Management arranges for a proof of concept license to find out if the software is worth the hefty investment. The boss comes to you to ask you to be in charge of the PoC project.

      I'm aiming to write an article to help developers, devops, and testers determine if a given vendor's application meets the company's needs. The only assumption I'm making is that the software is expensive; if it's cheap, the easy answer is, "Buy a copy for a small team and see what they think." And I'm thinking in terms of development software rather than enterprise tools (e.g. cloud-based backup) though I suspect many of the practices are similar.

      Aside: Note that this project is beyond "Decide if we need such a thing." In this scenario, everyone agrees that purchasing a tool is a good idea, and they agree on the baseline requirements. The issue is whether this is the right software for the job.

      So, how do you go about it? I'm sure that it's more than "Get a copy and poke at it randomly." How did (or would) you go about designing a PoC project? If you've been involved in such a project in the past (particularly if the purchase wasn't ideal), what advice could someone have given you to help you make a better choice? I want to create a useful guide that applies to any "enterprise-class" purchase.

      For example: Do you recommend that the PoC period be based on time (N months) or workload (N transactions)? How do you decide who should be on the PoC team? What's involved in putting together a comprehensive list of requirements (e.g. integrates with OurFavoredDatabase, meets performance goals of X), creating a test suite that exercises what the software dev product does, and evaluating the results? ...and what am I not thinking of, that I should?

      7 votes
    5. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      12 votes
    6. What makes a good developer?

      I asked this question over on HN but I thought I would ask it here as well. A little context. I'm currently a junior in a middle of the road state university studying for a degree in software...

      I asked this question over on HN but I thought I would ask it here as well.

      A little context. I'm currently a junior in a middle of the road state university studying for a degree in software engineering. I have been doing a lot of reading - whether it be comments on Reddit, articles, etc - and it appears that there is an abundance of junior developers looking to enter the job market, but very few "good developers".
      My question is, what is it that sets someone apart as a good developer? I know this question is very vague but it's also very vague whenever I see it used.

      Thank you for your time.

      EDIT: I plan on going through and reading all of your input and responding! Thank you so much for your time. Unfortunately, I am stuck finishing up last minute school work. Can't wait to dig into this.

      15 votes
    7. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      9 votes
    8. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      3 votes
    9. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      3 votes
    10. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      7 votes
    11. Multi-format text editor with chain-of-command processing

      A while back I developed a desktop-based text editor (Scrivenvar) that uses the Chain-of-Responsibility design pattern to help me author fairly involved text documents. The editor's high-level...

      A while back I developed a desktop-based text editor (Scrivenvar) that uses the Chain-of-Responsibility design pattern to help me author fairly involved text documents. The editor's high-level architecture resembles the following diagram:

      https://i.imgur.com/8IMpAkN.png

      Am I reinventing the wheel here? Are there any modern, cross-platform, liberal open-source (LGPL, MIT, Apache 2), text editor frameworks (such as xi or Visual Studio Code), that would enable (re)development of such a tool?

      Scrivenvar is written in Java, but to my chagrin, Java 9+ no longer bundles JavaFX. The text editor was based on MarkdownWriterFX, itself based on JavaFX. This means there's no easy upgrade path, so I'm looking to rebuild the editor either as a cross-platform desktop application or as a web application.

      8 votes
    12. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      6 votes
    13. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      10 votes
    14. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      6 votes
    15. Terry A Davis: Questions to God

      Hey everyone, just watching a very interesting history of Terry A Davis (creator of TempleOS) and around the 30 minute mark there is a list of questions Terry asked to God and the answers he...

      Hey everyone, just watching a very interesting history of Terry A Davis (creator of TempleOS) and around the 30 minute mark there is a list of questions Terry asked to God and the answers he believed he received. I took a look online but was unable to find anything. I don't suppose anyone out there has a link? I'd be very interested to read it. Thanks in advance.

      EDIT: I'm also interested in any links to the art he created (hymns, visual art etc).

      10 votes
    16. Do you use Github Actions for continuous integration?

      I recently came across an article about setting up automated builds (installation, code quality check, running tests) using Github Actions. I've since found a few more articles excitedly promoting...

      I recently came across an article about setting up automated builds (installation, code quality check, running tests) using Github Actions. I've since found a few more articles excitedly promoting the feature and, from my personal testing, it seems to work quite well.

      I was wondering if others had begun using this feature for their own projects, or had tried it and disliked it and used something else. Is there any broader community consensus towards which tasks it's best-suited for and when to use something more robust?

      10 votes